More pristine source directory updates. It now works

for me (including doing install).  How about you?
 -Erik

applets/busybox.sh

@@ -1,10 +1,12 @@
 #!/bin/sh
 
-# I added in the extra "ls" so only source files that
-# actually exist will show up in the compile list.
-ls -1 ` \
-    gcc -E -dM Config.h | \
+RAW=` \
+    gcc -E -dM ${1:-Config.h} | \
     sed -n -e '/^.*BB_FEATURE.*$/d;s/^#define.*\<BB_\(.*\)\>/\1.c/gp;' \
     | tr '[:upper:]' '[:lower:]' | sort
-` 2>/dev/null | sed -e 's/\.c$/\.o/g'
+`
+cd ${2:-.}
+# I added in the extra "ls" so only source files that
+# actually exist will show up in the compile list.
+ls -1 $RAW 2>/dev/null | sed -e 's/\.c$/\.o/g'